Im going to install it on VirtualBox where the host is Mac OS X 10.7.5 and the guest is Windows XP SP2. Based on above downloaded software, we are running the development environment on Windows XP 32-Bit. This is a CLEAN and FRESH windows installation with no JDK Install. I only installed winrar and crimson-editor

Pre-Setup

prepare the Windows XP to run on Virtual Box

prepare all software on downloaded in Windows XP. It is recommended to to unzip the software in Mac. Place it all in Windows XP

All downloaded software in 1 folder

Installing Oracle Database 11GR2

Create a folder call OracleDatabase11GR2

using the winrar, unzip win32_11gR2_database_1of2.zip and win32_11gR2_database_2of2.zip into OracleDatabase11GR2